spring BatchPreparedStatementSetter 源码

  • 2022-08-08
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spring BatchPreparedStatementSetter 代码


 * Copyright 2002-2012 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *      https://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.springframework.jdbc.core;

import java.sql.PreparedStatement;
import java.sql.SQLException;

 * Batch update callback interface used by the {@link JdbcTemplate} class.
 * <p>This interface sets values on a {@link java.sql.PreparedStatement} provided
 * by the JdbcTemplate class, for each of a number of updates in a batch using the
 * same SQL. Implementations are responsible for setting any necessary parameters.
 * SQL with placeholders will already have been supplied.
 * <p>Implementations <i>do not</i> need to concern themselves with SQLExceptions
 * that may be thrown from operations they attempt. The JdbcTemplate class will
 * catch and handle SQLExceptions appropriately.
 * @author Rod Johnson
 * @since March 2, 2003
 * @see JdbcTemplate#batchUpdate(String, BatchPreparedStatementSetter)
 * @see InterruptibleBatchPreparedStatementSetter
public interface BatchPreparedStatementSetter {

	 * Set parameter values on the given PreparedStatement.
	 * @param ps the PreparedStatement to invoke setter methods on
	 * @param i index of the statement we're issuing in the batch, starting from 0
	 * @throws SQLException if an SQLException is encountered
	 * (i.e. there is no need to catch SQLException)
	void setValues(PreparedStatement ps, int i) throws SQLException;

	 * Return the size of the batch.
	 * @return the number of statements in the batch
	int getBatchSize();



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